*{
	margin: 0;
	padding: 0;
	list-style: none;
	text-decoration: none;
}
.web{
	width: 1000px;
	margin: 0 auto;
}
/*头部*/
header{
	border-top: 24px solid #00b7ee;
}
.nav{
	overflow:hidden ;
}
.logo{
	margin-top: 38px;
	margin-left: 73px;
	float: left;
}
.menu{
	float: left;
	overflow: hidden;
	margin-left: 54px;
	margin-top: 76px;
}
.menu li{
	float: left;
	margin-left: 16px;
}
.menu li a{
	font-size: 14px;
	color: #000000;
}
.menu li::after{
	content:"" ;
	width:13px;
	height: 1px;
	background:#828282 ;
	margin: 0 auto;
	margin-top: 3px;
	display: none;
}
.menu li:hover::after{
	display: block;
}
.search{
	float: left;
	width:214px ;
	height: 28px;
	border:1px solid #000000 ;
	margin-top: 69px;
	margin-left: 48px;
	line-height: 28px;
}
.search input{
	vertical-align:middle ;
	border: none;
	outline:none ;
}
.search input[type="text"]{
	padding-left: 4px;
	margin-left: 1px;
	
}
.search input[type="image"]{
	margin-left:5px ;
}
